Submission #1324155

#	Time	Username	Problem	Language	Result	Execution time	Memory
1324155		kasamchi	Lost in the cycle (IOI19_cycle)	C++20	100 / 100	1 ms	400 KiB

cycle

#include "cycle.h"
#include <bits/stdc++.h>
using namespace std;

void escape(int n) {
	int cur = 0, ll, rr;
	bool j0 = jump(0);
	if (j0) {
		ll = 0, rr = n / 2 + 1;
	} else {
		ll = n / 2 + 1, rr = n;
	}
	while (ll + 1 < rr) {
		int mm = ll + (rr - ll) / 2;
		if (jump((mm - cur + n) % n)) {
			ll = mm;
		} else {
			rr = mm;
		}
		cur = mm;
	}
	jump((ll - cur + n) % n);
}

• Subtask 1: 11 / 11
• Subtask 2: 33 / 33
• Subtask 3: 56 / 56